Workplace bullying or something way sinister?

So, these men and their manager are not following internal controls. When I enforce these controls, I am made out to be the villain. Now, one of his cronies has been spamming me with emails regarding work all of a sudden. I feel like they want to entrap me so that they can complain and get me fired. They do not want to be accountable and want me to perform some of their duties for them, but when I refuse, it seems like I am the villain, even being called petty and childish. Even when there are signs of theft, he (the manager) blames our software.

Workplace bullying or something way sinister?
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